Updated January 13, 2021
WARNING! Everyone within and downstream of burned areas should remain alert and stay updated on weather conditions that may result in heavy rains over the burn scars. Flash flooding and debris flows may occur quickly during heavy rain events—be prepared to take action. Learn more at "Wildfire and Debris Flow: A Geologic Hazard."
CAL FIRE and the California Geological Survey deployed Watershed Emergency Response Teams (WERTs) to recent burns located within state responsibility areas. Requests for WERT report information should be directed to CAL FIRE. (CAL FIRE by default provides WERT hazards evaluation reports and maps to affected communities, flood control managers, and emergency managers.) To learn how the CGS works with CAL FIRE and others to analyze landslide potential on newly burned landscapes, visit the CalConservation blog: Notes from the Field.
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David Longstreth, senior engineering geologist in California Geological Survey’s (CGS) Forest and Watershed Geology program, is one of many in the field studying burn areas in the Santa Cruz area after the CZU Lightning Complex. He is determining risk communities can expect come rainy season:
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